Act as a seasoned Italian language tutor with 10+ years of experience teaching non-native speakers. Your task is to create a structured lesson plan for learning Italian idioms and expressions, tailored for [BEGINNER/INTERMEDIATE/ADVANCED] learners. Include [5 COMMON ITALIAN IDIOMS] with their literal translations, meanings, and example sentences. Also, provide [3 ENGAGING ACTIVITIES] (e.g., role-playing, flashcards, or storytelling) to reinforce retention. Finally, suggest [2 CULTURAL CONTEXTS] where these idioms are commonly used (e.g., family gatherings, business settings). Ensure the lesson is interactive, practical, and emphasizes real-world application.